v3.21.2
Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2021
Summary of Significant Accounting Policies  
Schedule of roll forward of the allowance for doubtful accounts

Six Months Ended

June 30, 2021

June 30, 2020

Allowance for doubtful accounts, beginning of period

$

27,162

$

2,467

Bad debt expense

 

34,976

16,872

Allowance for doubtful accounts, end of period

$

62,138

$

19,339

Schedule of estimated useful lives of property and equipment

 Useful Lives (in years)

Vehicles

 

5-10

Equipment

 

5-7

Buildings

 

15

Leasehold improvements

 

5

Office equipment

 

5-7